2 * The MIT License (MIT)
4 * Copyright (C) 2013 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 package org.apidesign.demo.minesweeper;
26 import java.util.ArrayList;
27 import java.util.List;
28 import java.util.Random;
29 import net.java.html.json.ComputedProperty;
30 import net.java.html.json.Function;
31 import net.java.html.json.Model;
32 import net.java.html.json.ModelOperation;
33 import net.java.html.json.Property;
35 /** Model of the mine field.
37 @Model(className = "Mines", properties = {
38 @Property(name = "state", type = MinesModel.GameState.class),
39 @Property(name = "rows", type = Row.class, array = true),
41 final class MinesModel {
43 IN_PROGRESS, WON, LOST;
46 @Model(className = "Row", properties = {
47 @Property(name = "columns", type = Square.class, array = true)
49 static class RowModel {
52 @Model(className = "Square", properties = {
53 @Property(name = "state", type = SquareType.class),
54 @Property(name = "mine", type = boolean.class)
56 static class SquareModel {
57 @ComputedProperty static String text(SquareType state) {
58 if (state == null) return " ";
60 case MINE: return "B";
61 case UNKNOWN: return "?";
64 return "" + state.ordinal();
67 @ComputedProperty static String style(SquareType state) {
68 return state == null ? null : state.toString();
74 N_0, N_1, N_2, N_3, N_4, N_5, N_6, N_7, N_8,
77 final boolean isVisible() {
78 return name().startsWith("N_");
81 final SquareType moreBombs() {
82 if (this == MINE || this == UNKNOWN) {
85 return values()[ordinal() + 1];
89 @ModelOperation static void init(Mines model, int width, int height, int mines) {
90 List<Row> rows = new ArrayList<Row>(height);
91 for (int y = 0; y < height; y++) {
92 Square[] columns = new Square[width];
93 for (int x = 0; x < width; x++) {
94 columns[x] = new Square(SquareType.UNKNOWN, false);
96 rows.add(new Row(columns));
99 Random r = new Random();
101 int x = r.nextInt(width);
102 int y = r.nextInt(height);
103 final Square s = rows.get(y).getColumns().get(x);
111 model.setState(GameState.IN_PROGRESS);
112 model.getRows().clear();
113 model.getRows().addAll(rows);
116 @ModelOperation static void computeMines(Mines model) {
117 List<Integer> xBombs = new ArrayList<Integer>();
118 List<Integer> yBombs = new ArrayList<Integer>();
119 final List<Row> rows = model.getRows();
120 boolean emptyHidden = false;
121 for (int y = 0; y < rows.size(); y++) {
122 final List<Square> columns = rows.get(y).getColumns();
123 for (int x = 0; x < columns.size(); x++) {
124 Square sq = columns.get(x);
129 if (sq.getState().isVisible()) {
130 sq.setState(SquareType.N_0);
138 for (int i = 0; i < xBombs.size(); i++) {
139 int x = xBombs.get(i);
140 int y = yBombs.get(i);
142 incrementAround(model, x, y);
146 model.setState(GameState.WON);
150 private static void incrementAround(Mines model, int x, int y) {
151 incrementAt(model, x - 1, y - 1);
152 incrementAt(model, x - 1, y);
153 incrementAt(model, x - 1, y + 1);
155 incrementAt(model, x + 1, y - 1);
156 incrementAt(model, x + 1, y);
157 incrementAt(model, x + 1, y + 1);
159 incrementAt(model, x, y - 1);
160 incrementAt(model, x, y + 1);
163 private static void incrementAt(Mines model, int x, int y) {
164 if (y >= 0 && y < model.getRows().size()) {
165 Row r = model.getRows().get(y);
166 if (x >= 0 && x < r.getColumns().size()) {
167 Square sq = r.getColumns().get(x);
168 sq.setState(sq.getState().moreBombs());
173 static void showAllBombs(Mines model) {
174 for (Row row : model.getRows()) {
175 for (Square square : row.getColumns()) {
176 if (square.isMine()) {
177 square.setState(SquareType.MINE);
183 @Function static void click(Mines model, Square data) {
184 if (model.getState() != GameState.IN_PROGRESS) {
188 switch (data.getState()) {
192 model.setState(GameState.LOST);
194 data.setState(SquareType.N_0);
195 model.computeMines();